This is a consequence of Japan's residential real estate market. Homeowners are not constrained by the need to maximize their resale value which enables them to hire architects to build the house they *want*, not the one that their HOA says is acceptable.
Serving on an aircraft carrier is wild. Aviators getting mandatory 8 hours of sleep every day, including Ambien prescriptions if necessary, while everyone else on the ship is choking down coffee after maybe getting 4 hours between watches.